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Luminescent materials have been extensively explored in the past years for use in white LEDs, considering that previous works have paid little attention to it for other promising applications such as catalysts and water purification. Here we prepared a type of UV luminescent Mg3Y2Ga3O12:Bi3+ phosphor. To characterize the photoluminescence (PL) and structural properties, the Mg3Y2Ga3O12:Bi3+ samples...
With the development of online education, more and more people learn knowledge about software engineering through online courses. Scoring homework has become a burden on both teachers and teaching assistants. In order to alleviate such burden, some courses provide a platform that can run students' codes automatically. However, most platforms pay attention to programming with specific languages. Few...
With the growing popularity and complexity of mobile apps, quality assurance becomes more and more important in mobile app development. Unfortunately, Android is also suffering from the notorious fragmentation problem. To tackle these problems, we introduce an automated testing platform, BugRocket. BugRocket combines a distributed testing system with automated testing techniques equipped on mobile...
Since automotive software contains many control flows, symbolic execution is an effective approach to generate test data for it. However, symbolic execution is cost expensive, so it is difficult to apply it directly. Moreover, parameters in automotive software are usually closely related to implement the same function, thus the constraints are dependent on other constraints in the entire path constraint...
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